EP0066952A3 - Dual spectrum fire sensor with discrimination - Google Patents

Dual spectrum fire sensor with discrimination Download PDF

Info

Publication number
EP0066952A3
EP0066952A3 EP82302245A EP82302245A EP0066952A3 EP 0066952 A3 EP0066952 A3 EP 0066952A3 EP 82302245 A EP82302245 A EP 82302245A EP 82302245 A EP82302245 A EP 82302245A EP 0066952 A3 EP0066952 A3 EP 0066952A3
Authority
EP
European Patent Office
Prior art keywords
discrimination
fire sensor
dual spectrum
spectrum fire
dual
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP82302245A
Other versions
EP0066952A2 (en
EP0066952B1 (en
Inventor
Mark T. Kern
Robert J. Cinzori
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Raytheon Co
Original Assignee
Santa Barbara Research Center
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Santa Barbara Research Center filed Critical Santa Barbara Research Center
Publication of EP0066952A2 publication Critical patent/EP0066952A2/en
Publication of EP0066952A3 publication Critical patent/EP0066952A3/en
Application granted granted Critical
Publication of EP0066952B1 publication Critical patent/EP0066952B1/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Fire Alarms (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
EP82302245A 1981-06-02 1982-04-30 Sensor system responsive to a fire or explosion Expired EP0066952B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US26920881A 1981-06-02 1981-06-02
US269208 1981-06-02

Publications (3)

Publication Number Publication Date
EP0066952A2 EP0066952A2 (en) 1982-12-15
EP0066952A3 true EP0066952A3 (en) 1983-06-01
EP0066952B1 EP0066952B1 (en) 1986-02-19

Family

ID=23026264

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82302245A Expired EP0066952B1 (en) 1981-06-02 1982-04-30 Sensor system responsive to a fire or explosion

Country Status (7)

Country Link
EP (1) EP0066952B1 (en)
JP (1) JPH0632137B2 (en)
KR (1) KR900008377B1 (en)
AU (1) AU546773B2 (en)
DE (1) DE3269134D1 (en)
IL (1) IL65576A (en)
IN (1) IN157944B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4679156A (en) * 1981-05-21 1987-07-07 Santa Barbara Research Center Microprocessor-controlled fire sensor
US4469944A (en) * 1981-11-20 1984-09-04 Santa Barbara Research Center Optical discriminating fire sensor
IL65517A (en) * 1982-04-18 1988-02-29 Spectronix Ltd Discrimination circuitry for fire and explosion suppression apparatus
US4765244A (en) * 1983-04-15 1988-08-23 Spectronix Ltd. Apparatus for the detection and destruction of incoming objects
GB2142757B (en) * 1983-05-21 1986-11-26 Graviner Ltd Improvements in and relating to fire and explosion detection and suppression
GB2218189A (en) * 1987-05-30 1989-11-08 Graviner Ltd Impact detection
US7100437B2 (en) * 2003-11-24 2006-09-05 Advanced Design Consulting Usa, Inc. Device for collecting statistical data for maintenance of small-arms
CN112720069B (en) * 2020-12-22 2022-03-22 北京工业大学 Cutter wear monitoring method and device, electronic equipment and storage medium

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4206454A (en) * 1978-05-08 1980-06-03 Chloride Incorporated Two channel optical flame detector
US4220857A (en) * 1978-11-01 1980-09-02 Systron-Donner Corporation Optical flame and explosion detection system and method
GB2067749A (en) * 1980-01-17 1981-07-30 Graviner Ltd Improvements in and Relating to Fire and Explosion Detection

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5834555Y2 (en) * 1978-07-01 1983-08-03 ホーチキ株式会社 Storage type fire detector

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4206454A (en) * 1978-05-08 1980-06-03 Chloride Incorporated Two channel optical flame detector
US4220857A (en) * 1978-11-01 1980-09-02 Systron-Donner Corporation Optical flame and explosion detection system and method
GB2067749A (en) * 1980-01-17 1981-07-30 Graviner Ltd Improvements in and Relating to Fire and Explosion Detection

Also Published As

Publication number Publication date
EP0066952A2 (en) 1982-12-15
AU546773B2 (en) 1985-09-19
JPS581288A (en) 1983-01-06
IL65576A0 (en) 1982-07-30
EP0066952B1 (en) 1986-02-19
JPH0632137B2 (en) 1994-04-27
IN157944B (en) 1986-07-26
KR900008377B1 (en) 1990-11-17
AU8438382A (en) 1982-12-09
DE3269134D1 (en) 1986-03-27
KR840000005A (en) 1984-01-30
IL65576A (en) 1986-03-31

Similar Documents

Publication Publication Date Title
JPS57120183A (en) Discrimination element
JPS56132690A (en) Fire detector
JPS55154692A (en) Fire sensor
GB2105852B (en) Smoke detector
GB2097917B (en) Photoelectric smoke sensor
JPS55117942A (en) Fire sensor
JPS57125496A (en) Condition detector
JPS5760493A (en) Fire detector
DE3368786D1 (en) Discriminating fire sensor with thermal override capability
GB2096321B (en) Combustible-gas detectors
GB2100058B (en) Pyroelectric detector
EP0066952A3 (en) Dual spectrum fire sensor with discrimination
JPS57139895A (en) Fire sensor selectively operable
IL67149A (en) Optical discriminating fire sensor
GB2080992B (en) Combination type fire detector
GB2096324B (en) Conductimetric gas sensor
IL65104A (en) Smoke bombs
JPS55166794A (en) Fire sensor
GB2112192B (en) Fire detector
JPS5741795A (en) Fire sensor
GB2095035B (en) Pyroelectric detector
JPS57157393A (en) Fire sensor
JPS55102089A (en) Fire sensor
JPS56103793A (en) Fire sensor
JPS57155688A (en) Fire sensor

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): DE FR GB IT SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Designated state(s): DE FR GB IT SE

17P Request for examination filed

Effective date: 19831021

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: SANTA BARBARA RESEARCH CENTER

ITF It: translation for a ep patent filed

Owner name: SOCIETA' ITALIANA BREVETTI S.P.A.

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Designated state(s): DE FR GB IT SE

ET Fr: translation filed
REF Corresponds to:

Ref document number: 3269134

Country of ref document: DE

Date of ref document: 19860327

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
ITTA It: last paid annual fee
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19940309

Year of fee payment: 13

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 19940315

Year of fee payment: 13

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19940316

Year of fee payment: 13

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19940406

Year of fee payment: 13

EAL Se: european patent in force in sweden

Ref document number: 82302245.4

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Effective date: 19950430

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Effective date: 19950501

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Effective date: 19951229

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19950430

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19960103

EUG Se: european patent has lapsed

Ref document number: 82302245.4

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST